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The Eddy Tunnel

The Eddy Tunnel, located in Throop, was constructed in 1921. It was mined by the Pennsylvania Coal Company as part of the Underwood Colliery, not the Eddy Creek as its name would suggest. This mine has two levels serving the Dunmore #2 and #3 beds. As part of the 1913 Exchange this mine was transfered to the Delaware and Hudson Coal Company in 1926, at which time they did a study to see how much coal remained mineable inside. In the Dunmore #2 bed, the vein averages five and one half feet, coal four feet. The following is taken from the 1913 Exchange report:

"In the westerly part of the bed a small area is being robbed back from the crop. This bed has been mined and proven over about 30% of its area. About 25% of the vein is barren; the workings at several points have been mined and proven over about 50% of its area and is supposed to be mineable over practically the entire area. Numerous bed sections were taking considerable development is being done from the #1 Colliery*. At this colliery the vein averages four to five feet with clean coal three and one half to four feet. Slate about eight inches thick drops when the vein is blown. At the Eddy Tunnel operation the coal is thicker and cleaner, averaging about four and one half feet with a vein of five to six feet."

This is evidence of a second company taking over the operation and robbing pillars to get the remaining coal from the mine. In 1923, the Eddy tunnel produced 262,892 tons of coal.

*The #1 Colliery was located at the site of the present-day Keystone landfill.

Even though this is one of the best mines in terms of interesting finds, it is also one of the worst mines we've come across because of its condition. There are two large rockfalls that almost completely block the main tunnel before you reach the mine. You must crawl over these without brushing against the loose ceiling, which would lead to a complete blockage and no way out. Through almost the entire mine you are walking on a portion of the ceiling that has fallen on the floor. I would not recommend going into this mine because of the many rockfalls and areas you have to crawl through.

- Chris Murley



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